Improvement in door-fastener



@met l'ttit Letters Patent No.*85,165, (lated .December 22, 1868.

IMPROVEMENT 1N Doon-PASTENER.

The Schedule referred to in these .netten Patent and part of the vname. -Oh

.To all whom 'it fina/y concern Be it 'known that I, J AMES M. CLARK, of Lanfeus-v ter, in the -State of Pennsylvania, have invented anew and improved Device, for a Portable Burglar-Loek to fasten doors and windows on the inner side; and 1 do hereby declare that the following is an exact dese-rip-v tion ofthe saine, reference l'ieing had to the accompanying drawings, making a part ot this speeiiieation, in which-` Fignrel shows the hinged pieces A B straightened out, and the turl'ling-latoh C partiallyturned out on its pivot P.

Figure 2 shows the part-s closed, or folded together, for carrying in the pocket.

The object oi' my invention is to combine a portable poeket-loek, neat in appearance, eheap, and convenient to earryin the vest-pocket, and ezt-sil)r applied to :my door or Window, so as to fasten it with peril-et sevulity, made in the simplest manner.

'lo enable others skilled in the art to make and apply my loek, I need only that it is composed ot'.

parts A and B, united by a strong hinge, and the end of' each pieee provided with ,projecting points or teeth, and bevel shoulder, at an angle of about forty-tive degrees, the hinge being double and sonare-shouldered, to form a straight line.

0x1 the back of one piece there is a raised iiange and catch, D; on the other, a flat piece, orlateh, 0,' affixed by a pivot-bolt, 1, to'asten or lor'k the parts together -in a straight line or position.

The mode of applieation is simply by inserting the points ot' one piece against the door, and the points of the otherpiece on the door, so hentat the joint at an nre 'j'nessed down) so as to form a straight line, produced by the teeth being .respeetiveb sunk into 'the door and tloor, when the flock or tuming-latch (lean be turned in under the catehil), and the parts are eftieotually 'loc-ked together.

piece is provided with a round bolt, sliding in a tube, and operated b vacateh through a slot, and the other piece provided with u soeket-tube,'fo1tl1e reception of the bolt, as such n construetion andarrangement complex and more expensive to makefaud less couvenient t-o carry in the pocket. when'madeof 'equal' strength and eiiieieney.

angle sutl'icientto'bng the united pieces (when they y Iv do not claimA the hinged'pierces A B when the one- What I claim as in vrinvention, and desire to ser-iu'e 

